989316480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 256

約数和(自身を含む): 3373539840

約数和(自身を除く): 2384223360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 43, 46, 48, 60, 64, 69, 80, 86, 92, 96, 115, 120, 128, 129, 138, 160, 172, 184, 192, 215, 230, 240, 258, 276, 320, 344, 345, 368, 384, 430, 460, 480, 516, 521, 552, 640, 645, 688, 690, 736, 860, 920, 960, 989, 1032, 1042, 1104, 1290, 1376, 1380, 1472, 1563, 1720, 1840, 1920, 1978, 2064, 2084, 2208, 2580, 2605, 2752, 2760, 2944, 2967, 3126, 3440, 3680, 3956, 4128, 4168, 4416, 4945, 5160, 5210, 5504, 5520, 5934, 6252, 6880, 7360, 7815, 7912, 8256, 8336, 8832, 9890, 10320, 10420, 11040, 11868, 11983, 12504, 13760, 14720, 14835, 15630, 15824, 16512, 16672, 19780, 20640, 20840, 22080, 22403, 23736, 23966, 25008, 27520, 29670, 31260, 31648, 33344, 35949, 39560, 41280, 41680, 44160, 44806, 47472, 47932, 50016, 59340, 59915, 62520, 63296, 66688, 67209, 71898, 79120, 82560, 83360, 89612, 94944, 95864, 100032, 112015, 118680, 119830, 125040, 126592, 134418, 143796, 158240, 166720, 179224, 179745, 189888, 191728, 200064, 224030, 237360, 239660, 250080, 268836, 287592, 316480, 333440, 336045, 358448, 359490, 379776, 383456, 448060, 474720, 479320, 500160, 515269, 537672, 575184, 632960, 672090, 716896, 718980, 766912, 896120, 949440, 958640, 1000320, 1030538, 1075344, 1150368, 1344180, 1433792, 1437960, 1533824, 1545807, 1792240, 1898880, 1917280, 2061076, 2150688, 2300736, 2576345, 2688360, 2867584, 2875920, 3091614, 3584480, 3834560, 4122152, 4301376, 4601472, 5152690, 5376720, 5751840, 6183228, 7168960, 7669120, 7729035, 8244304, 8602752, 10305380, 10753440, 11503680, 12366456, 14337920, 15458070, 16488608, 20610760, 21506880, 23007360, 24732912, 30916140, 32977216, 41221520, 43013760, 49465824, 61832280, 65954432, 82443040, 98931648, 123664560, 164886080, 197863296, 247329120, 329772160, 494658240, 989316480]

約数ペア:

[(1, 989316480), (2, 494658240), (3, 329772160), (4, 247329120), (5, 197863296), (6, 164886080), (8, 123664560), (10, 98931648), (12, 82443040), (15, 65954432), (16, 61832280), (20, 49465824), (23, 43013760), (24, 41221520), (30, 32977216), (32, 30916140), (40, 24732912), (43, 23007360), (46, 21506880), (48, 20610760), (60, 16488608), (64, 15458070), (69, 14337920), (80, 12366456), (86, 11503680), (92, 10753440), (96, 10305380), (115, 8602752), (120, 8244304), (128, 7729035), (129, 7669120), (138, 7168960), (160, 6183228), (172, 5751840), (184, 5376720), (192, 5152690), (215, 4601472), (230, 4301376), (240, 4122152), (258, 3834560), (276, 3584480), (320, 3091614), (344, 2875920), (345, 2867584), (368, 2688360), (384, 2576345), (430, 2300736), (460, 2150688), (480, 2061076), (516, 1917280), (521, 1898880), (552, 1792240), (640, 1545807), (645, 1533824), (688, 1437960), (690, 1433792), (736, 1344180), (860, 1150368), (920, 1075344), (960, 1030538), (989, 1000320), (1032, 958640), (1042, 949440), (1104, 896120), (1290, 766912), (1376, 718980), (1380, 716896), (1472, 672090), (1563, 632960), (1720, 575184), (1840, 537672), (1920, 515269), (1978, 500160), (2064, 479320), (2084, 474720), (2208, 448060), (2580, 383456), (2605, 379776), (2752, 359490), (2760, 358448), (2944, 336045), (2967, 333440), (3126, 316480), (3440, 287592), (3680, 268836), (3956, 250080), (4128, 239660), (4168, 237360), (4416, 224030), (4945, 200064), (5160, 191728), (5210, 189888), (5504, 179745), (5520, 179224), (5934, 166720), (6252, 158240), (6880, 143796), (7360, 134418), (7815, 126592), (7912, 125040), (8256, 119830), (8336, 118680), (8832, 112015), (9890, 100032), (10320, 95864), (10420, 94944), (11040, 89612), (11868, 83360), (11983, 82560), (12504, 79120), (13760, 71898), (14720, 67209), (14835, 66688), (15630, 63296), (15824, 62520), (16512, 59915), (16672, 59340), (19780, 50016), (20640, 47932), (20840, 47472), (22080, 44806), (22403, 44160), (23736, 41680), (23966, 41280), (25008, 39560), (27520, 35949), (29670, 33344), (31260, 31648)]